Finding the Fourth Proportional to 147,923.75, 221,885.63 and 49,427.75
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Solution
The fourth proportional to 147,923.75, 221,885.63 and 49,427.75 is: 74,141.63
Step by Step Solution
- Step 1: Write the proportion equation
147,923.75 : 221,885.63 = 49,427.75 : x - Step 2: Convert to fraction form
147,923.75/221,885.63 = 49,427.75/x - Step 3: Cross multiply
147,923.75x = 221,885.63 × 49,427.75 - Step 4: Simplify right side
147,923.75x = 10,967,307,448.23 - Step 5: Solve for x
x = 10,967,307,448.23/147,923.75 - Step 6: Final answer
x = 74,141.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.